diff --git a/server/Module/OpenAI/Client/LikeOpenAI/Client.php b/server/Module/OpenAI/Client/LikeOpenAI/Client.php
new file mode 100644
index 0000000..72e4fec
--- /dev/null
+++ b/server/Module/OpenAI/Client/LikeOpenAI/Client.php
@@ -0,0 +1,21 @@
+<?php
+
+declare(strict_types=1);
+
+namespace app\Module\OpenAI\Client\LikeOpenAI;
+
+use app\Module\OpenAI\Client\Annotation\OpenAIClient;
+
+/**
+ * 类 OpenAI 客户端，计算 Tokens 用字符串长度.
+ */
+#[
+    OpenAIClient(title: 'Like OpenAI'),
+]
+class Client extends \app\Module\OpenAI\Client\OpenAI\Client
+{
+    public function calcTokens(string $string, string $model): int
+    {
+        return mb_strlen($string);
+    }
+}